Function BLB_gen_bpb

src/jrd/blb.cpp:549–581

void BLB_gen_bpb(SSHORT source, SSHORT target, UCHAR sourceCharset, UCHAR targetCharset, UCharBuffer& bpb)
{
	bpb.resize(15);

	UCHAR* p = bpb.begin();
	*p++ = isc_bpb_version1;

	*p++ = isc_bpb_source_type;
	*p++ = 2;
	put_vax_short(p, source);
	p += 2;
	if (source == isc_blob_text)
	{
		*p++ = isc_bpb_source_interp;
		*p++ = 1;
		*p++ = sourceCharset;
	}

	*p++ = isc_bpb_target_type;
	*p++ = 2;
	put_vax_short(p, target);
	p += 2;
	if (target == isc_blob_text)
	{
		*p++ = isc_bpb_target_interp;
		*p++ = 1;
		*p++ = targetCharset;
	}
	fb_assert(static_cast<size_t>(p - bpb.begin()) <= bpb.getCount());

	// set the array count to the number of bytes we used
	bpb.shrink(p - bpb.begin());
}


void BLB_gen_bpb_from_descs(const dsc* fromDesc, const dsc* toDesc, UCharBuffer& bpb)